Dewalt DW959 Manual

The Dewalt DW959 is a powerful cordless drill designed for both professional and DIY use. It features a high-performance motor that delivers exceptional torque and speed, making it ideal for a variety of drilling and fastening applications. The drill is equipped with a 1/2-inch keyless chuck for easy bit changes, an ergonomic handle for comfort during extended use, and a built-in LED light for improved visibility in low-light conditions. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Drill 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: High-performance motor, 1/2-inch keyless chuck, ergonomic handle, built-in LED light.

Feature	Description
High-performance motor	Delivers exceptional torque and speed for various applications
1/2-inch keyless chuck	Allows for quick and easy bit changes
Ergonomic handle	Provides comfort during extended use
Built-in LED light	Improves visibility in low-light conditions
Battery compatibility	Compatible with Dewalt 18V battery systems

Installation

Unpack and inspect the contents. Ensure the battery is charged before use.

Insert the battery: Align the battery with the slot and push until it clicks.
Check the drill settings: Ensure the torque and speed settings are appropriate for your task.
Attach the drill bit: Open the chuck, insert the bit, and tighten securely.

WARNING! Always wear safety goggles when operating the drill.

First-Time Setup

Power on the drill; ensure the battery is fully charged.

Set the speed: Use the speed control switch to select the desired speed.
Adjust torque settings: Rotate the torque adjustment collar to set the desired torque.
Test the drill: Perform a test drill on a scrap piece of material.

CAUTION! Ensure the drill is in the off position when changing settings.

Specifications

Voltage: 18V.
Chuck Size: 1/2 inch.
Speed: 0-450/0-1500 RPM.
Torque: 450 in-lbs.
Weight: 4.5 lbs.
Battery Type: Lithium-ion.
Warranty: 3 years limited.

Controls and Settings

Access settings via the speed control switch and torque adjustment collar. The drill features a forward/reverse switch for easy direction changes.

LED Indicator: Indicates battery status and operational readiness.

Connecting Devices

Ensure the drill is powered off before connecting any accessories.

Attach accessories: Insert the desired drill bit or accessory into the chuck.
Secure the accessory: Tighten the chuck to hold the accessory firmly in place.

Tip: Always use the correct accessory for your specific task.

Operating the Drill

To operate the drill, press the trigger to start drilling. Release the trigger to stop.

Drilling: Apply steady pressure while drilling.
Driving screws: Use the appropriate torque setting for driving screws.
Changing bits: Always ensure the drill is off before changing bits.

WARNING! Keep hands clear of the drill bit while in operation.

Maintenance

Regular maintenance is essential for optimal performance.

Clean the drill: Wipe down the exterior with a damp cloth.
Check battery contacts: Ensure contacts are clean and free of debris.
Inspect drill bits: Replace any worn or damaged bits.

Safety Information

Always follow safety guidelines when using the drill.

Wear safety goggles and a dust mask.
Keep work area clean and well-lit.
Do not overload the drill; use appropriate settings for each task.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Drill won't start	Battery dead	Charge or replace the battery.
Bit slipping	Chuck not tightened	Tighten the chuck securely.
Overheating	Continuous use	Allow drill to cool down before further use.
Low power	Battery issue	Check battery charge and connections.

Reset: If issues persist, consult the user manual or contact customer support.